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Infant body composition research revolutionised with new PEA POD® technology

25 January 2024 | Story Leonie Bolleurs | Photo Sonia Small

Prof Corinna Walsh says the PEA POD Infant Body Composition System works by directly measuring an infant’s body weight and volume, and then uses these measurements to calculate the body fat percentage, fat mass, and fat-free mass.

Nutritional and growth patterns during early life have been associated with health, development, and well-being throughout the life cycle. It is also associated with risks for developing obesity and non-communicable diseases, such as cardiometabolic diseases, later in life. These are the findings of Prof Corinna Walsh, Professor in the Department of Nutrition and Dietetics.

Maternal and child health

”In line with national priorities, a strong research focus area of the Faculty of Health Sciences and the School of Health and Rehabilitation Sciences is maternal and child health,” she says. She goes on to mention that the Department of Nutrition and Dietetics has established a reputable research programme. This programme focuses primarily on the nutritional status of pregnant women and how the early environment to which they are exposed during and after pregnancy affects short- and long-term health outcomes of the offspring.

“In our previous work, the assessment of birth outcomes of infants was, however, limited by the lack of equipment to analyse body composition. The research that we can conduct with the PEA POD® provides us with immense additional potential,” remarks Prof Walsh.

She explains, “The PEA POD Infant Body Composition System is an infant-sized air displacement plethysmography system. It works by directly measuring an infant’s body weight and volume, and then uses these measurements to calculate the body fat percentage, fat mass, and fat-free mass.

According to her, the assessment of body volume takes two minutes. “The PEA POD technique also does not require collection of any fluids and does not expose the infant to radiation. It can be performed as often as required without any risks and be used up to a maximum of 8-10 kg body weight, from birth to about eight months,” she says.

Advanced technology

In the context of research on infant body weight and composition, there is a need for accurate measurement techniques that can differentiate between fat mass and fat-free mass. Prof Walsh is of the opinion that traditional measures such as body mass index (BMI) and weight for length have limitations in this regard, as they do not provide a clear distinction between these components. Furthermore, BMI may not be reliable for assessing adiposity or obesity in paediatric populations, and it can vary significantly with age and gender.

Addressing these challenges, the PEA POD equipment offers advanced technology that allows for highly accurate quantification of infant body composition. This technological capability opens up opportunities to study the effects of early-life nutrition on growth and the developmental mechanisms that may lead to later comorbidities. So, when it comes to researching infant body weight and composition, the PEA POD equipment plays a crucial role in providing precise data and insights.

News Archive

UFS increases admission requirements

2010-07-26

Admissions criteria for entry to undergraduate programmes at the University of the Free State (UFS) will be increased with immediate effect. This means that students who begin their undergraduate studies in 2011 will need to meet the new admissions criteria in order to register.

“Increasing admissions requirements is a critical component of our unwavering commitment to excellent academic standards and educational quality at the UFS,” said Prof. Driekie Hay, Vice-Rector: Teaching and Learning at the UFS.

“The challenge of student success at most South African universities is something that has attracted increasing attention over the past few years. We believe that it is our responsibility as an educational institution to admit students that we are confident are likely to be successful, and also to provide the very best quality of teaching and learning to ensure success.”

The university is also acutely aware that large numbers of young people in the country attend schools that are not adequately resourced to provide the quality of schooling needed for successful university study.

“We are thus committed to working with schools and with talented learners in order to address this challenge,” said Prof. Hay.

“The university currently has several initiatives in this regard. Further, our innovative and extremely successful University Preparation Programme (UPP) provides an opportunity for students with potential who do not meet the university entrance criteria to complete a bridging year that prepares them for the rigours of university.”

For students who begin their studies in 2011 the following changes will come into effect:

The minimum requirement for entry into undergraduate programmes will increase from 28 points to 30 points.
The minimum requirement for entry into extended programmes will increase from 23 points to 25 points.
The minimum requirement for entry into the University Preparation Programme will increase from 17 points to 20 points.
Subject-specific requirements specified by faculties will remain the same, except for Natural and Agricultural Sciences (contact the Faculty Manager at 051 401 3199).
All programmes that already require a minimum score of 30 points and above will not be changed.
The minimum entrance criteria for the B.Ed. Foundation Phase and B.Ed. Intermediate Phase will increase from 23 points to 25 points.
The minimum entrance criteria for B.Soc.Sc. Nursing will increase from 28 to 29 points.

Performance in the National Benchmark Tests will be used for placing students into academic support modules as needed.

These test results will not be used for admissions decisions in 2011, except for Faculties where it is used as part of their selection process.
Prospective students are encouraged to submit their applications for study in 2011 as soon as possible.
For telephone enquiries, please dial 051 401 3000.

More information (Pdf document, English and Afrikaans)

Media Release
Issued by: Mangaliso Radebe
Assistant Director: Media Liaison
Tel: 051 401 2828
Cell: 078 460 3320
E-mail: radebemt@ufs.ac.za
26 July 2010

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